Improper input validation in Amd 1st Gen Epyc™
CVE-2021-26331
AMD System Management Unit (SMU) contains a potential issue where a malicious user may be able to manipulate mailbox entries leading to arbitrary code execution.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Amd 1st Gen Epyc™ — versions unspecified
- Amd 2nd Gen Epyc™ — versions unspecified
- Amd 3rd Gen Epyc™ — versions unspecified
- Amd Epyc_7001
- Amd Epyc_7001_firmware
- Amd Epyc_7002
- Amd Epyc_7002_firmware
- Amd Epyc_7003
- Amd Epyc_7003_firmware
- Amd Epyc_7232p
Weakness classification (CWE)
References
- psirt@amd.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-26331?
- CVE-2021-26331 is a high-severity vulnerability in Amd 1st Gen Epyc™, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2021-11-16.
- How severe is CVE-2021-26331?
- High severity. CVSS v3 base score is 7.8 out of 10.